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Finding the Fourth Proportional to 215,597.01, 323,415.51 and 73,394.51

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Solution

The fourth proportional to 215,597.01, 323,415.51 and 73,394.51 is: 110,098.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,597.01 : 323,415.51 = 73,394.51 : x
  2. Step 2: Convert to fraction form
    215,597.01/323,415.51 = 73,394.51/x
  3. Step 3: Cross multiply
    215,597.01x = 323,415.51 × 73,394.51
  4. Step 4: Simplify right side
    215,597.01x = 23,736,921,265.77
  5. Step 5: Solve for x
    x = 23,736,921,265.77/215,597.01
  6. Step 6: Final answer
    x = 110,098.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.